Ansem, Seeker of Darkness is the leader of the dark faction, Heartless, and a former researcher who studying the envious beings. He is a Heartless of Xehanort, in which he launched an army of Shadows, and other Pureblood beings to devour numerous worlds in the galaxy. He noted his oath is "All worlds begin in darkness, and all so end, the Heart is no different. Darkness sprouts within it, until it growing, consuming it." Ansem continued his goal to control the garrison against the only known Keyblade Wielder, Sora. His Nobody counterpart, and companion Xemnas, to unleash the terrible power through the bowels of Darkness.